I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset In" />
參數(shù)資料
型號(hào)： DS1374U-33+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 6/18頁(yè)
文件大?。?/td> 0K
描述： IC RTC I2C W/CHARGER 10-USOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
類(lèi)型： 二進(jìn)制計(jì)數(shù)器
特點(diǎn)： 警報(bào)器，方波輸出，涓流充電器，監(jiān)視計(jì)時(shí)器
時(shí)間格式： 二進(jìn)制
數(shù)據(jù)格式： 二進(jìn)制
接口： I²C，2 線串口
電源電壓： 2.97 V ~ 5.5 V
電壓 - 電源，電池： 1.3 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 10-µMAX
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1434 (CN2011-ZH PDF)
DS1374
I2C, 32-Bit Binary Counter Watchdog RTC with
Trickle Charger and Reset Input/Output
14
____________________________________________________________________
I2C Serial Data Bus
The DS1374 supports the I2C bus protocol. A device
that sends data onto the bus is defined as a transmitter
and a device receiving data is a receiver. The device
that controls the message is called a master. The
devices that are controlled by the master are slaves. A
master device that generates the serial clock (SCL),
controls the bus access, and generates the START and
STOP conditions must control the bus. The DS1374
operates as a slave on the I2C bus. Connections to the
bus are made through the open-drain I/O lines SDA
and SCL. A standard mode (100kHz max clock rate)
and a fast mode (400kHz max clock rate) are defined
within the bus specifications. The DS1374 works in both
modes.
The following bus protocol has been defined (Figure 8):
Data transfer can be initiated only when the bus is
not busy.
During data transfer, the data line must remain sta-
ble whenever the clock line is high. Changes in the
data line while the clock line is high can be interpret-
ed as control signals.
STOP
CONDITION
OR REPEATED
START
CONDITION
REPEATED IF MORE BYTES
ARE TRANSFERED
ACK
START
CONDITION
ACK
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
SLAVE ADDRESS
MSB
SCL
SDA
R/W
DIRECTION
BIT
12
6
7
8
9
1
2
8
9
3–7
Figure 8. I2C Data Transfer Overview
BIT 7
TCS3
1 OF 16 SELECT
NOTE: ONLY 1010b
ENABLES CHARGER
1 OF 2
SELECT
VCC
VBACKUP
R1
250
Ω
TCS0-3 = TRICKLE CHARGER SELECT
DS0-1 = DIODE SELECT
TOUT0-1 = RESISTOR SELECT
R2
2k
Ω
R3
4k
Ω
1 OF 3
SELECT
BIT 6
TCS2
BIT 5
TCS1
BIT 4
TCS0
BIT 3
DS1
BIT 2
DS0
BIT 1
ROUT1
BIT 0
ROUT0
Figure 7. Programmable Trickle Charger
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參數(shù)描述
DS1374U-33/T&R 功能描述:實(shí)時(shí)時(shí)鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1374U-33+ 功能描述:實(shí)時(shí)時(shí)鐘 I2C 32-Bit Binary Counter Watchdog RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1374U-33+T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 10USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:ELAPSED TIME COUNTER 3.3V TR LFREE 制造商:Maxim Integrated Products 功能描述:IC RTC I2C W/CHARGER 10-USOP 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C 32-Bit Binary Counter Watchdog
DS1374U-33+T&R 功能描述:實(shí)時(shí)時(shí)鐘 I2C 32-Bit Binary Counter Watchdog RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲(chǔ)容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1375 制造商:DALLAS 制造商全稱(chēng):Dallas Semiconductor 功能描述:2-Wire Digital Input RTC with Alarm
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